/*
 * Copyright (c) 2021, 2025, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 *
 */

#include "runtime/stackFrameStream.inline.hpp"
#include "utilities/debug.hpp"

StackFrameStream::StackFrameStream(JavaThread *thread, bool update, bool process_frames, bool allow_missing_reg)
  : _reg_map(thread,
             update ? RegisterMap::UpdateMap::include : RegisterMap::UpdateMap::skip,
             process_frames ? RegisterMap::ProcessFrames::include : RegisterMap::ProcessFrames::skip,
             RegisterMap::WalkContinuation::skip) {
  assert(thread->has_last_Java_frame(), "sanity check");
  _fr = thread->last_frame();
  _is_done = false;
#ifndef PRODUCT
  if (allow_missing_reg) {
    _reg_map.set_skip_missing(true);
  }
#endif
}

